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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG639487558

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG639487558

Diamond specifications and retailer prices

From $488 SGD
As of November 4, 2026
Save $1,833 SGD (79%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $2,696 SGD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639487558 or 639487558. Listed at 30 retailers as of October 30, 2026, with a 375% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639487558
Dimensions10.94 × 5.62 × 3.47 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.94 mm5.62 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639487558
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,696 SGD|Low: $350 SGD|High: $2,762 SGD|Avg: $1,535 SGD|+0.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 20
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Retailer 24
November 5, 2026
Retailer 17$350 SGD
Retailer 21$488 SGD
Retailer 19$621 SGD
Retailer 16$707 SGD
Retailer 18$709 SGD
Retailer 24$767 SGD
Retailer 2$961 SGD
Retailer 14$995 SGD
Retailer 15$1,084 SGD
Retailer 10$1,090 SGD
Retailer 8$1,219 SGD
Retailer 6$1,234 SGD
Retailer 20$1,330 SGD
Retailer 11$1,335 SGD
Retailer 23$1,587 SGD
Retailer 22$1,740 SGD
Retailer 7$1,794 SGD
Retailer 4$1,820 SGD
Retailer 12$1,949 SGD
Retailer 5$2,071 SGD
Retailer 3$2,102 SGD
Retailer 13$2,162 SGD
Retailer 9$2,321 SGD
Brilliant Earth$2,696 SGD

29 data points across 24 retailers

30 retailers$488 SGD to $2,321 SGD

Retailer 1
-
$350 SGD
Price last confirmed 28 days ago
A
Retailer 2
-
$488 SGD
View
Final sale: no returns
Retailer 3
-
$593 SGD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$621 SGD
View
Retailer 5
-
$663 SGD
View
Price last confirmed 37 days ago
Retailer 6
-
$707 SGD
View
Price last confirmed 28 days ago
Retailer 7
-
$707 SGD
View
Price last confirmed 26 days ago
A
Retailer 8
-
$709 SGD
View
Retailer 9
-
$725 SGD
View
Price last confirmed 37 days ago
A
Retailer 10
-
$767 SGD
View
A
Retailer 11
-
$961 SGD
View
B+
Retailer 12
-
$995 SGD
View
B+
Retailer 13
-
$1,084 SGD
View
B+
Retailer 14
-
$1,090 SGD
View
B+
Retailer 15
-
$1,219 SGD
View
B+
Retailer 16
-
$1,234 SGD
View
B+
Retailer 17
-
$1,330 SGD
View
B+
Retailer 18
-
$1,335 SGD
View
B+
Retailer 19
-
$1,587 SGD
View
B+
Retailer 20
-
$1,740 SGD
View
B
Retailer 21
-
$1,794 SGD
View
B
Retailer 22
-
$1,820 SGD
View
Retailer 23
-
$1,949 SGD
View
Price last confirmed 8 days ago
B
Retailer 24
-
$2,071 SGD
View
B+
Retailer 25
-
$2,102 SGD
View
B
Retailer 26
-
$2,162 SGD
View
Retailer 27
-
$2,272 SGD
View
Price last confirmed 26 days ago
B
Retailer 28
-
$2,321 SGD
View
Retailer 29
-
$2,362 SGD
View
Price last confirmed 36 days ago
Most Expensive
Brilliant Earth
10876475A · Oct 26
$2,696 SGD
$2,110 USD
View
Price last confirmed 9 days ago
29 more retailers have this diamond
Prices start from $488 SGDSave up to $1,833 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.22ct Marquise
$488 SGD